EP2840000A2 - Method for operating a driver assistance system and corresponding motor vehicle - Google Patents

Method for operating a driver assistance system and corresponding motor vehicle Download PDF

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Publication number
EP2840000A2
EP2840000A2 EP14002408.4A EP14002408A EP2840000A2 EP 2840000 A2 EP2840000 A2 EP 2840000A2 EP 14002408 A EP14002408 A EP 14002408A EP 2840000 A2 EP2840000 A2 EP 2840000A2
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EP
European Patent Office
Prior art keywords
driver
vehicle
motor vehicle
sleep mode
assistance system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14002408.4A
Other languages
German (de)
French (fr)
Other versions
EP2840000A3 (en
EP2840000B1 (en
Inventor
Michael Reichel
Sebastian Klaas
Björn Giesler
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Audi AG
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Audi AG
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Publication of EP2840000A2 publication Critical patent/EP2840000A2/en
Publication of EP2840000A3 publication Critical patent/EP2840000A3/en
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Publication of EP2840000B1 publication Critical patent/EP2840000B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W60/00—Drive control systems specially adapted for autonomous road vehicles
    • B60W60/001—Planning or execution of driving tasks
    • B60W60/0013—Planning or execution of driving tasks specially adapted for occupant comfort
    • B60W60/00133—Planning or execution of driving tasks specially adapted for occupant comfort for resting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
    • B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/80—Circuits; Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/10—Path keeping
    • B60W30/12—Lane keeping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/14—Adaptive cruise control
    • B60W30/16—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/0098—Details of control systems ensuring comfort, safety or stability not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/12—Limiting control by the driver depending on vehicle state, e.g. interlocking means for the control input for preventing unsafe operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/181—Steering columns yieldable or adjustable, e.g. tiltable with power actuated adjustment, e.g. with position memory

Definitions

  • the invention relates to a method of operating a driver assistance system, which is designed for automatic driving by intervention in the engine control, a transmission and a brake system of a motor vehicle.
  • Vehicles have already been proposed which are able to drive autonomously without intervention or monitoring of a driver. This requires a controller that performs certain functions normally performed by the driver. Examples are the control of the engine, the control of an (automatic) transmission and the operation of a brake system. In the context of autonomous driving, the controller assumes additional functions, such as operating direction indicators (turn signals), recording the route, navigating to a destination and recording the vehicle surroundings, in particular the detection of other road users.
  • turn signals operating direction indicators
  • a vehicle implementing such an autopilot can be operated completely autonomously without intervention or monitoring by a driver. During the journey, the driver can therefore devote himself to other activities or even sleep.
  • the invention has for its object to provide a method for the operation of a driver assistance system that allows a driver during piloted driving a comfortable rest or sleep break.
  • a sleep mode is activated by the driver in which at least one vehicle component is controlled so that it allows a comfortable rest or sleep of the driver.
  • the invention is based on the idea that the insertion of a rest or sleep break in a vehicle for various reasons inconvenient and difficult is possible. Therefore, according to the present invention, a sleep mode can be activated in which driver's inconvenience is avoided and comfort to the driver is increased.
  • a variant of the method according to the invention can provide for at least one, preferably several or all light sources in the vehicle interior to be dimmed or switched off. As a result, an impairment of the driver is avoided by light sources, so that he is undisturbed during the rest or sleep break.
  • an instrument cluster and / or a screen is dimmed or switched off. It may be z. B. a screen of a multi-media interface (MMI) or act on a screen of a navigation device. When switched on, these devices inevitably attract the attention of the driver, so that a rest or relaxation phase is interrupted.
  • MMI multi-media interface
  • the driver's seat and / or the steering wheel are adjusted to a position which is more comfortable for the driver.
  • the seat back can be moved backwards, this flatter or slanted position is better for a rest or sleep phase.
  • the steering wheel can be adjusted in a less disturbing for the driver position, for. B. it can be moved away from the driver to the instrument panel. It is also conceivable to move the steering wheel to a higher position, so that the distance between the steering wheel and the thighs of the driver is increased, so that increases the freedom of movement of the driver.
  • the method of the invention may also provide for reducing the volume of a media player and / or changing the selection of media files played.
  • the driver may select special media files that will be played in sleep mode.
  • it may be provided that in the sleep mode, the playback of media files is stopped in order to avoid any impairment of the driver.
  • a development of the method according to the invention can provide that a chassis or an active chassis of the vehicle is controlled so that the vehicle is moved without pitching and / or rolling movements.
  • activated sleep mode thus positive or negative accelerations are avoided as possible, which usually occur, especially when an active chassis is operated in a sports mode.
  • activated sleep mode the vehicle is controlled by means of the active chassis, however, so that such movements are carried out with low acceleration, which are practically unnoticed by the driver.
  • At least one operating element is deactivated.
  • operating element encompasses any switches, pushbuttons, turn or push buttons and levers that are located in the grip area of the driver. Activating these controls avoids accidental, unwanted activation.
  • the steering wheel can be disabled, so that no unintentional steering movements of the driver can be performed. The same applies to existing on the steering wheel switches or buttons, which are also disabled.
  • the pedals can be disabled, so that a random operation of the pedals remains without consequences.
  • the vehicle doors can be locked in sleep mode. This measure prevents z. B. at a traffic light stop third can open the vehicle from the outside.
  • the exterior rearview mirrors are folded in sleep mode.
  • the collapse of the exterior rear view mirror reduces the aerodynamic resistance of the motor vehicle, resulting in lower fuel consumption.
  • a wake-up procedure can be triggered with the aim of causing the driver to wake up and to quickly understand the situation.
  • the invention relates to a motor vehicle with a driver assistance system, which is designed for automatic driving by intervention in the engine control, a transmission and a brake system.
  • the motor vehicle according to the invention is suitable for carrying out the method described.
  • Fig. 1 shows the motor vehicle 1 when not activated sleep mode. In this state, the various components of the vehicle interior and the controls are in their normal position. A vehicle seat 2 with a backrest 3 is in a normal position. The same applies to a steering wheel 4. The pedals 5 are also in their normal position.
  • the motor vehicle 1 comprises a driver assistance system with a control device 6, which enables autonomous driving of the motor vehicle 1 without monitoring or operator intervention by a driver.
  • the control device 6 is configured to intervene in an engine control and a transmission control and optionally to actuate the brake system of the motor vehicle 1. Accordingly, the operating commands required for the control of the motor vehicle are made by the control device 6.
  • the environment of the motor vehicle 1 is monitored by a plurality of cameras 7, 8, so that the motor vehicle 1 can safely move in traffic.
  • the motor vehicle is thus able to fully automatically in complex scenarios drive.
  • the driver is thereby a passenger and can devote to other activities while driving, z. B. take a break or a break from sleep.
  • a sleep mode is implemented. After activating the sleep mode by the driver, vehicle components are controlled so as to allow a comfortable resting or sleeping break of the driver.
  • Fig. 2 shows the motor vehicle 1 in activated sleep mode.
  • the vehicle seat is shifted to a more comfortable rear position for the driver.
  • the backrest 3 is moved to a more comfortable inclined position.
  • the steering wheel 4 is in the sleep mode in a retracted position, whereby the space available to the driver is increased.
  • the pedals 5 are deactivated in sleep mode, so that accidental operation of a pedal by the driver does not trigger the normal action.
  • the pedals are retracted 5, as in Fig. 2 is shown. In this way, it is easier for the driver to take a comfortable posture.
  • sleep mode all light sources in the vehicle interior are turned off, so that the driver is not affected. The same applies to the instrument cluster and the screen of a Multi Media Interface.
  • the vehicle doors are locked to prevent third parties opening when the vehicle is stationary, eg. B. at a traffic light stop to prevent.
  • an active chassis is controlled, which suppresses pitching and rolling movements of the motor vehicle 1 in the sleep mode.
  • the active chassis controls the vehicle in sleep mode so that the driver is exposed to the lowest possible accelerations.
  • the controls there such as switches, buttons, knobs, levers and the like are disabled, so that the driver can not trigger unintentional actions.
  • a built in the motor vehicle 1 or coupled with it mobile communication device 9 has in the sleep mode incoming calls to avoid disturbances of the driver.
  • the volume of a media player 10 is reduced in sleep mode, at the request of the driver, the device can also be turned off.
  • the exterior rearview mirrors are folded in order to reduce the flow resistance of the vehicle.
  • a wake-up procedure is triggered in which the driver is awakened by an acoustic signal.
  • This acoustic signal can z. B. are supported by vibrations generated by the driver's seat 2. This wake-up procedure promotes a quick awakening and understanding of the situation by the driver.

Abstract

Verfahren für den Betrieb eines Fahrerassistenzsystems, das zum automatischen Fahren durch Eingreifen in die Motorsteuerung, in ein Getriebe und eine Bremsanlage eines Kraftfahrzeugs ausgebildet ist, wobei durch einen Fahrer ein Schlafmodus aktiviert wird, in dem wenigstens eine Fahrzeugkomponente so gesteuert wird, dass sie eine bequeme Ruhe- oder Schlafpause des Fahrers ermöglicht.A method for operating a driver assistance system, which is designed for automatic driving by intervention in the engine control, in a transmission and a brake system of a motor vehicle, wherein a sleep mode is activated by a driver in which at least one vehicle component is controlled so that it is a comfortable Rest or sleep break the driver allows.

Description

Die Erfindung betrifft ein Verfahren den Betrieb eines Fahrerassistenzsystems, das zum automatischen Fahren durch Eingreifen in die Motorsteuerung, ein Getriebe und eine Bremsanlage eines Kraftfahrzeugs ausgebildet ist.The invention relates to a method of operating a driver assistance system, which is designed for automatic driving by intervention in the engine control, a transmission and a brake system of a motor vehicle.

Es sind bereits Fahrzeuge vorgeschlagen worden, die in der Lage sind, autonom ohne Eingriff oder Überwachung eines Fahrers zu fahren. Dazu ist eine Steuerung erforderlich, die bestimmte Funktionen übernimmt, die normalerweise vom Fahrer ausgeführt werden. Beispiele dafür sind die Steuerung des Motors, die Steuerung eines (automatischen) Getriebes sowie die Betätigung einer Bremsanlage. Im Rahmen des autonomen Fahrens werden von der Steuerung weitere Funktionen übernommen wie das Betätigen der Fahrtrichtungsanzeiger (Blinker), die Erfassung des Fahrwegs, die Navigation zu einem Ziel sowie die Erfassung des Fahrzeugumfelds, insbesondere die Erfassung anderer Verkehrsteilnehmer.Vehicles have already been proposed which are able to drive autonomously without intervention or monitoring of a driver. This requires a controller that performs certain functions normally performed by the driver. Examples are the control of the engine, the control of an (automatic) transmission and the operation of a brake system. In the context of autonomous driving, the controller assumes additional functions, such as operating direction indicators (turn signals), recording the route, navigating to a destination and recording the vehicle surroundings, in particular the detection of other road users.

Ein Fahrzeug, bei dem ein derartiger Autopilot implementiert ist, kann vollkommen autonom, ohne Eingriff oder Überwachung durch einen Fahrer, betrieben werden. Während der Fahrt kann sich der Fahrer daher anderen Tätigkeiten widmen oder sogar schlafen.A vehicle implementing such an autopilot can be operated completely autonomously without intervention or monitoring by a driver. During the journey, the driver can therefore devote himself to other activities or even sleep.

In der DE 42 26 747 C1 ist ein Fahrzeug mit einem Autopiloten vorgeschlagen worden, bei dem nach dem Einschalten des Autopiloten der Sitz ausgehend von einer normalen Stellung in eine Arbeitsposition verschwenkt werden kann, so dass der Fahrer während des pilotierten Fahrens wie an einem Schreibtisch Tätigkeiten ausführen kann.In the DE 42 26 747 C1 a vehicle has been proposed with an autopilot, in which after switching on the autopilot of the seat from a normal position can be pivoted to a working position, so that the driver can perform activities during piloted driving as at a desk.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren für den Betrieb eines Fahrerassistenzsystems anzugeben, das einem Fahrer während des pilotierten Fahrens eine bequeme Ruhe- oder Schlafpause ermöglicht.The invention has for its object to provide a method for the operation of a driver assistance system that allows a driver during piloted driving a comfortable rest or sleep break.

Zur Lösung dieser Aufgabe ist bei einem Verfahren der eingangs genannten Art erfindungsgemäß vorgesehen, dass durch den Fahrer ein Schlafmodus aktiviert wird, in dem wenigstens eine Fahrzeugkomponente so gesteuert wird, dass sie eine bequeme Ruhe- oder Schlafpause des Fahrers ermöglicht.To solve this problem, it is provided according to the invention in a method of the type mentioned that a sleep mode is activated by the driver in which at least one vehicle component is controlled so that it allows a comfortable rest or sleep of the driver.

Die Erfindung beruht auf der Idee, dass das Einlegen einer Ruhe- oder Schlafpause in einem Fahrzeug aus verschiedenen Gründen unbequem und nur mit Schwierigkeiten möglich ist. Daher kann erfindungsgemäß ein Schlafmodus aktiviert werden, in dem Beeinträchtigungen des Fahrers vermieden und die Bequemlichkeit für den Fahrer erhöht ist.The invention is based on the idea that the insertion of a rest or sleep break in a vehicle for various reasons inconvenient and difficult is possible. Therefore, according to the present invention, a sleep mode can be activated in which driver's inconvenience is avoided and comfort to the driver is increased.

Eine Variante des erfindungsgemäßen Verfahrens kann vorsehen, dass wenigstens eine, vorzugsweise mehrere oder alle Lichtquellen im Fahrzeuginnenraum gedimmt oder ausgeschaltet werden. Dadurch wird eine Beeinträchtigung des Fahrers durch Lichtquellen vermieden, so dass er während der Ruhe- oder Schlafpause ungestört ist.A variant of the method according to the invention can provide for at least one, preferably several or all light sources in the vehicle interior to be dimmed or switched off. As a result, an impairment of the driver is avoided by light sources, so that he is undisturbed during the rest or sleep break.

Eine andere Variante des erfindungsgemäßen Verfahrens kann vorsehen, dass ein Kombiinstrument und/oder ein Bildschirm gedimmt oder ausgeschaltet wird bzw. werden. Dabei kann es sich z. B. um einen Bildschirm eines Multi Media Interface (MMI) oder um einen Bildschirm eines Navigationsgeräts handeln. Im eingeschalteten Zustand ziehen diese Geräte zwangsläufig die Aufmerksamkeit des Fahrers auf sich, so dass eine Ruhe- oder Entspannungsphase unterbrochen wird.Another variant of the method according to the invention can provide that an instrument cluster and / or a screen is dimmed or switched off. It may be z. B. a screen of a multi-media interface (MMI) or act on a screen of a navigation device. When switched on, these devices inevitably attract the attention of the driver, so that a rest or relaxation phase is interrupted.

Eine noch bessere Abschirmung des Fahrers vor externen Störquellen ergibt sich, wenn an einem Mobilkommunikationsgerät eingehende Anrufe abgewiesen werden. Auf diese Weise wird verhindert, dass der Fahrer durch akustische Signale während der Ruhe- oder Schlafpause gestört wird. Andererseits kann es optional vorgesehen sein, dass bei mehrfachen Anrufen desselben Anrufers innerhalb eines bestimmten Zeitraums der Anruf signalisiert oder entgegengenommen wird. In diesen Fällen ist davon auszugehen, dass es sich um wichtige Anrufe handelt, daher werden diese Anrufe nicht unterdrückt.An even better shielding of the driver from external sources of interference results when incoming calls to a mobile communication device are rejected. In this way it is prevented that the driver is disturbed by acoustic signals during rest or sleep break. On the other hand, it may optionally be provided that for multiple calls the same Caller within a certain period of time the call is signaled or answered. In these cases, it can be assumed that these are important calls, so these calls are not suppressed.

Um die Bequemlichkeit für den Fahrer weiter zu erhöhen, kann es bei dem erfindungsgemäßen Verfahren vorgesehen sein, dass der Fahrersitz und/oder das Lenkrad in eine für den Fahrer bequemere Position verstellt werden. Beispielsweise kann die Sitzlehne nach hinten verfahren werden, diese flachere oder schrägere Lage eignet sich besser für eine Ruhe- oder Schlafphase. In ähnlicher Weise kann auch das Lenkrad in eine für den Fahrer weniger störende Position verstellt werden, z. B. kann es vom Fahrer weg zum Instrumentenbrett hin verschoben werden. Es ist auch denkbar, das Lenkrad in eine höhere Position zu verfahren, so dass der Abstand zwischen dem Lenkrad und den Oberschenkeln des Fahrers vergrößert wird, so dass sich die Bewegungsfreiheit des Fahrers vergrößert.In order to further increase the comfort for the driver, it may be provided in the method according to the invention that the driver's seat and / or the steering wheel are adjusted to a position which is more comfortable for the driver. For example, the seat back can be moved backwards, this flatter or slanted position is better for a rest or sleep phase. Similarly, the steering wheel can be adjusted in a less disturbing for the driver position, for. B. it can be moved away from the driver to the instrument panel. It is also conceivable to move the steering wheel to a higher position, so that the distance between the steering wheel and the thighs of the driver is increased, so that increases the freedom of movement of the driver.

Das erfindungsgemäße Verfahren kann auch vorsehen, dass die Lautstärke eines Medienwiedergabegeräts verringert und/oder dass die Auswahl abgespielter Mediendateien geändert wird. Der Fahrer kann beispielsweise spezielle Mediendateien auswählen, die in dem Schlafmodus abgespielt werden. Andererseits kann es vorgesehen sein, dass im Schlafmodus die Wiedergabe von Mediendateien gestoppt wird, um jegliche Beeinträchtigung des Fahrers zu vermeiden.The method of the invention may also provide for reducing the volume of a media player and / or changing the selection of media files played. For example, the driver may select special media files that will be played in sleep mode. On the other hand, it may be provided that in the sleep mode, the playback of media files is stopped in order to avoid any impairment of the driver.

Eine Weiterbildung des erfindungsgemäßen Verfahrens kann vorsehen, dass ein Fahrwerk oder ein aktives Fahrwerk des Fahrzeugs so gesteuert wird, dass das Fahrzeug ohne Nick- und/oder Wankbewegungen bewegt wird. Bei aktiviertem Schlafmodus werden somit positive oder negative Beschleunigungen möglichst vermieden, die üblicherweise auftreten, insbesondere wenn ein aktives Fahrwerk in einem Sportmodus betrieben wird. Bei aktiviertem Schlafmodus wird das Fahrzeug mittels des aktiven Fahrwerks hingegen so gesteuert, dass derartige Bewegungen mit geringer Beschleunigung erfolgen, die vom Fahrer praktisch nicht bemerkt werden.A development of the method according to the invention can provide that a chassis or an active chassis of the vehicle is controlled so that the vehicle is moved without pitching and / or rolling movements. When activated sleep mode thus positive or negative accelerations are avoided as possible, which usually occur, especially when an active chassis is operated in a sports mode. In activated sleep mode, the vehicle is controlled by means of the active chassis, however, so that such movements are carried out with low acceleration, which are practically unnoticed by the driver.

Es liegt auch im Rahmen der Erfindung, dass im Schlafmodus die Pedale eingezogen oder in eine Ruhestellung bewegt werden. Durch das Verstellen der Pedale werden die Bewegungsmöglichkeiten für den Fahrer im Fußraum erweitert, so dass er seine Füße in eine bequeme Position bringen kann.It is also within the scope of the invention that retracted in sleep mode, the pedals or moved to a rest position. By adjusting the pedals, the possibilities of movement for the driver in the footwell are widened so that he can bring his feet into a comfortable position.

Um die Sicherheit des pilotierten Fahrens im Schlafmodus zu erhöhen, kann es vorgesehen sein, dass wenigstens ein Bedienelement deaktiviert wird. Der Begriff "Bedienelement" umfasst dabei jegliche Schalter, Taster, Dreh- oder Drücksteller sowie Hebel, die sich im Griffbereich des Fahrers befinden. Durch die Aktivierung dieser Bedienelemente wird eine zufällige, nicht gewünschte Aktivierung vermieden. In diesem Zusammenhang kann insbesondere auch das Lenkrad deaktiviert werden, so dass keine unbeabsichtigten Lenkbewegungen des Fahrers durchgeführt werden können. Dasselbe gilt für an dem Lenkrad vorhandene Schalter oder Taster, die ebenfalls deaktiviert werden. Schließlich können im Schlafmodus auch die Pedale deaktiviert werden, so dass eine zufällige Betätigung der Pedale ohne Folgen bleibt.In order to increase the safety of the piloted driving in the sleep mode, it can be provided that at least one operating element is deactivated. The term "operating element" encompasses any switches, pushbuttons, turn or push buttons and levers that are located in the grip area of the driver. Activating these controls avoids accidental, unwanted activation. In this context, in particular, the steering wheel can be disabled, so that no unintentional steering movements of the driver can be performed. The same applies to existing on the steering wheel switches or buttons, which are also disabled. Finally, in the sleep mode, the pedals can be disabled, so that a random operation of the pedals remains without consequences.

Zur Erhöhung der Sicherheit des Fahrers können im Schlafmodus die Fahrzeugtüren verriegelt werden. Diese Maßnahme verhindert, dass z. B. bei einem Ampelstopp Dritte das Fahrzeug von außen öffnen können.To increase the safety of the driver, the vehicle doors can be locked in sleep mode. This measure prevents z. B. at a traffic light stop third can open the vehicle from the outside.

Bei dem erfindungsgemäßen Verfahren kann es auch vorgesehen sein, dass die Außenrückblickspiegel im Schlafmodus eingeklappt werden. Durch das Einklappen der Außenrückblickspiegel verringert sich der aerodynamische Widerstand des Kraftfahrzeugs, was in einem geringeren Kraftstoffverbrauch resultiert.In the method according to the invention, it can also be provided that the exterior rearview mirrors are folded in sleep mode. The collapse of the exterior rear view mirror reduces the aerodynamic resistance of the motor vehicle, resulting in lower fuel consumption.

In bestimmten Fällen kann es erforderlich sein, dass der Fahrer eingreifen muss, ebenso sind Situationen denkbar, die eine Wahrnehmung des Fahrers erfordern. In diesen Fällen kann bei dem erfindungsgemäßen Verfahren ein Aufweckverfahren ausgelöst werden, mit dem Ziel, ein Wachwerden und ein schnelles Verstehen der Situation durch den Fahrer zu bewirken.In certain cases, it may be necessary for the driver to intervene, as well as situations are conceivable that require a perception of the driver. In these cases, in the method according to the invention, a wake-up procedure can be triggered with the aim of causing the driver to wake up and to quickly understand the situation.

Daneben betrifft die Erfindung ein Kraftfahrzeug mit einem Fahrerassistenzsystem, das zum automatischen Fahren durch Eingreifen in die Motorsteuerung, ein Getriebe und eine Bremsanlage ausgebildet ist. Das erfindungsgemäße Kraftfahrzeug ist zur Durchführung des beschriebenen Verfahrens geeignet.In addition, the invention relates to a motor vehicle with a driver assistance system, which is designed for automatic driving by intervention in the engine control, a transmission and a brake system. The motor vehicle according to the invention is suitable for carrying out the method described.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnungen erläutert. Die Zeichnungen sind schematische Darstellungen und zeigen:

Fig. 1
ein Kraftfahrzeug mit einem Fahrerassistenzsystem, das zum automatischen Fahren ausgebildet ist und bei dem ein Schlafmodus durch einen Fahrer aktiviert werden kann; und
Fig. 2
das in Fig. 1 gezeigte Kraftfahrzeug bei aktiviertem Schlafmodus.
The invention will be explained below with reference to an embodiment with reference to the drawings. The drawings are schematic representations and show:
Fig. 1
a motor vehicle with a driver assistance system, which is designed for automatic driving and in which a sleep mode can be activated by a driver; and
Fig. 2
this in Fig. 1 Motor vehicle shown in activated sleep mode.

Fig. 1 zeigt das Kraftfahrzeug 1 bei nicht aktiviertem Schlafmodus. In diesem Zustand befinden sich die verschiedenen Komponenten des Fahrzeuginnenraums und die Bedienelemente an ihrer normalen Position. Ein Fahrzeugsitz 2 mit einer Rückenlehne 3 befindet sich in einer normalen Stellung. Dasselbe gilt für ein Lenkrad 4. Die Pedale 5 befinden sich ebenfalls in ihrer normalen Position. Fig. 1 shows the motor vehicle 1 when not activated sleep mode. In this state, the various components of the vehicle interior and the controls are in their normal position. A vehicle seat 2 with a backrest 3 is in a normal position. The same applies to a steering wheel 4. The pedals 5 are also in their normal position.

Das Kraftfahrzeug 1 umfasst ein Fahrerassistenzsystem mit einer Steuerungseinrichtung 6, das ein autonomes Fahren des Kraftfahrzeugs 1, ohne Überwachung oder Bedieneingriffe durch einen Fahrer ermöglicht. Die Steuerungseinrichtung 6 ist dazu ausgebildet, in eine Motorsteuerung und eine Getriebesteuerung einzugreifen sowie gegebenenfalls die Bremsanlage des Kraftfahrzeugs 1 zu betätigen. Dementsprechend werden die für die Steuerung des Kraftfahrzeugs erforderlichen Bedienkommandos von der Steuerungseinrichtung 6 vorgenommen. Im Rahmen des autonomen Fahrens wird das Umfeld des Kraftfahrzeugs 1 durch mehrere Kameras 7, 8 überwacht, so dass sich das Kraftfahrzeug 1 sicher im Verkehr bewegen kann. Das Kraftfahrzeug ist somit in der Lage, in komplexen Szenarien vollautomatisch zu fahren. Der Fahrer wird dadurch zum Passagier und kann sich während der Fahrt anderen Tätigkeiten widmen, z. B. eine Ruhepause oder eine Schlafpause einlegen.The motor vehicle 1 comprises a driver assistance system with a control device 6, which enables autonomous driving of the motor vehicle 1 without monitoring or operator intervention by a driver. The control device 6 is configured to intervene in an engine control and a transmission control and optionally to actuate the brake system of the motor vehicle 1. Accordingly, the operating commands required for the control of the motor vehicle are made by the control device 6. In the context of autonomous driving, the environment of the motor vehicle 1 is monitored by a plurality of cameras 7, 8, so that the motor vehicle 1 can safely move in traffic. The motor vehicle is thus able to fully automatically in complex scenarios drive. The driver is thereby a passenger and can devote to other activities while driving, z. B. take a break or a break from sleep.

In dem Fahrerassistenzsystem ist ein Schlafmodus implementiert. Nach dem Aktivieren des Schlafmodus durch den Fahrer werden Fahrzeugkomponenten so gesteuert, dass sie eine bequeme Ruhe- oder Schlafpause des Fahrers ermöglichen.In the driver assistance system, a sleep mode is implemented. After activating the sleep mode by the driver, vehicle components are controlled so as to allow a comfortable resting or sleeping break of the driver.

Fig. 2 zeigt das Kraftfahrzeug 1 bei aktiviertem Schlafmodus. Der Fahrzeugsitz ist in eine für den Fahrer bequemere hintere Stellung verschoben. Die Rückenlehne 3 ist in eine bequemere geneigte Position verschoben. Das Lenkrad 4 befindet sich im Schlafmodus in einer eingezogenen Position, wodurch der dem Fahrer zur Verfügung stehende Raum vergrößert wird. Die Pedale 5 sind im Schlafmodus deaktiviert, so dass eine versehentliche Betätigung eines Pedals durch den Fahrer nicht die normale Aktion auslöst. Zusätzlich sind die Pedale 5 eingezogen, wie in Fig. 2 dargestellt ist. Auf diese Weise wird es dem Fahrer erleichtert, eine bequeme Haltung einzunehmen. Im Schlafmodus werden sämtliche Lichtquellen im Fahrzeuginnenraum ausgeschaltet, so dass der Fahrer dadurch nicht beeinträchtigt wird. Dasselbe gilt für das Kombiinstrument und den Bildschirm eines Multi Media Interface. Fig. 2 shows the motor vehicle 1 in activated sleep mode. The vehicle seat is shifted to a more comfortable rear position for the driver. The backrest 3 is moved to a more comfortable inclined position. The steering wheel 4 is in the sleep mode in a retracted position, whereby the space available to the driver is increased. The pedals 5 are deactivated in sleep mode, so that accidental operation of a pedal by the driver does not trigger the normal action. In addition, the pedals are retracted 5, as in Fig. 2 is shown. In this way, it is easier for the driver to take a comfortable posture. In sleep mode, all light sources in the vehicle interior are turned off, so that the driver is not affected. The same applies to the instrument cluster and the screen of a Multi Media Interface.

Zusätzlich werden die Fahrzeugtüren verriegelt, um ein Öffnen durch Dritte bei stillstehendem Fahrzeug, z. B. bei einem Ampelhalt, zu verhindern.In addition, the vehicle doors are locked to prevent third parties opening when the vehicle is stationary, eg. B. at a traffic light stop to prevent.

Mittels der Steuerungseinrichtung 6 wird auch ein aktives Fahrwerk gesteuert, das im Schlafmodus Nick- und Wankbewegungen des Kraftfahrzeugs 1 unterdrückt. Das aktive Fahrwerk steuert das Fahrzeug im Schlafmodus so, dass der Fahrer möglichst geringen Beschleunigungen ausgesetzt ist.By means of the control device 6, an active chassis is controlled, which suppresses pitching and rolling movements of the motor vehicle 1 in the sleep mode. The active chassis controls the vehicle in sleep mode so that the driver is exposed to the lowest possible accelerations.

Im Fahrzeuginneren werden die dort vorhandenen Bedienelemente wie Schalter, Taster, Drehknöpfe, Hebel und dergleichen deaktiviert, so dass der Fahrer keine unbeabsichtigten Aktionen auslösen kann.In the vehicle interior, the controls there such as switches, buttons, knobs, levers and the like are disabled, so that the driver can not trigger unintentional actions.

Ein in dem Kraftfahrzeug 1 eingebautes oder damit gekoppeltes Mobilkommunikationsgerät 9 weist im Schlafmodus ankommende Anrufe ab, um Störungen des Fahrers zu vermeiden. Die Lautstärke eines Medienwiedergabegeräts 10 wird im Schlafmodus verringert, auf Wunsch des Fahrers kann das Gerät auch ausgeschaltet werden.A built in the motor vehicle 1 or coupled with it mobile communication device 9 has in the sleep mode incoming calls to avoid disturbances of the driver. The volume of a media player 10 is reduced in sleep mode, at the request of the driver, the device can also be turned off.

Als weitere Maßnahme werden bei aktiviertem Schlafmodus die Außenrückblickspiegel eingeklappt, um den Strömungswiderstand des Fahrzeugs zu verringern.As a further measure, when the sleep mode is activated, the exterior rearview mirrors are folded in order to reduce the flow resistance of the vehicle.

In besonderen Situationen kann es erforderlich sein, den Fahrer aufzuwecken, ihn zu informieren oder ihn dazu aufzufordern, die Führung des Fahrzeugs zu übernehmen. In derartigen Situationen wird ein Aufweckverfahren ausgelöst, bei dem der Fahrer durch ein akustisches Signal geweckt wird. Dieses akustische Signal kann z. B. durch Vibrationen unterstützt werden, die von dem Fahrersitz 2 erzeugt werden. Durch dieses Aufweckverfahren soll ein schnelles Aufwachen und Verstehen der Situation durch den Fahrer gefördert werden.In special situations, it may be necessary to wake the driver, to inform him or to ask him to take over the guidance of the vehicle. In such situations, a wake-up procedure is triggered in which the driver is awakened by an acoustic signal. This acoustic signal can z. B. are supported by vibrations generated by the driver's seat 2. This wake-up procedure promotes a quick awakening and understanding of the situation by the driver.

Claims (15)

Verfahren für den Betrieb eines Fahrerassistenzsystems, das zum automatischen Fahren durch Eingreifen in die Motorsteuerung, in ein Getriebe und eine Bremsanlage eines Kraftfahrzeugs ausgebildet ist,
dadurch gekennzeichnet,
dass durch einen Fahrer ein Schlafmodus aktiviert wird, in dem wenigstens eine Fahrzeugkomponente so gesteuert wird, dass sie eine bequeme Ruhe- oder Schlafpause des Fahrers ermöglicht.Method for operating a driver assistance system, which is designed for automatic driving by intervention in the engine control, in a transmission and a brake system of a motor vehicle,
characterized,
that a sleep mode is activated by a driver, in which at least one vehicle component is controlled so that it allows a comfortable resting or sleeping break of the driver. Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass wenigstens eine, vorzugsweise mehrere oder alle Lichtquellen im Fahrzeuginnenraum gedimmt oder ausgeschaltet werden.Method according to claim 1,
characterized,
that at least one, preferably several or all light sources in the vehicle interior are dimmed or switched off. Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
dass ein Kombiinstrument und/oder ein Bildschirm gedimmt oder ausgeschaltet wird bzw. werden.Method according to claim 1 or 2,
characterized,
that an instrument cluster and / or a screen is dimmed or turned off. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass an einem Mobilkommunikationsgerät eingehende Anrufe abgewiesen werden.Method according to one of the preceding claims,
characterized,
that incoming calls to a mobile communication device are rejected. Verfahren nach Anspruch 4,
dadurch gekennzeichnet,
dass bei mehrfachen Anrufen desselben Anrufers innerhalb eines bestimmten Zeitraums der Anruf entgegengenommen wird.Method according to claim 4,
characterized,
that is received in multiple calls of the same caller within a certain period of the call. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass der Fahrersitz und/oder das Lenkrad in eine für den Fahrer bequemere Position verstellt werden.Method according to one of the preceding claims,
characterized,
that the driver's seat and / or the steering wheel are adjusted to a more comfortable position for the driver. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass die Lautstärke eines Medienwiedergabegeräts verringert und/oder die Auswahl abgespielter Mediendateien geändert wird.Method according to one of the preceding claims,
characterized,
that the volume of a media player is reduced and / or the selection of playing media files is changed. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass ein Fahrwerk oder ein aktives Fahrwerk so gesteuert wird, dass das Fahrzeug ohne Nick- und/oder Wankbewegungen bewegt wird.Method according to one of the preceding claims,
characterized,
that a chassis or an active chassis is controlled so that the vehicle is moved without pitching and / or rolling movements. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass das Lenkrad und/oder die Pedale eingezogen oder in eine Ruhestellung bewegt werden.Method according to one of the preceding claims,
characterized,
that the steering wheel and / or the pedals are retracted or moved to a rest position. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass wenigstens ein Bedienelement deaktiviert wird.Method according to one of the preceding claims,
characterized,
that at least one operating element is deactivated. Verfahren nach Anspruch 10,
dadurch gekennzeichnet,
dass das Lenkrad und/oder die Pedale deaktiviert werden.Method according to claim 10,
characterized,
that the steering wheel and / or the pedals are deactivated. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass die Fahrzeugtüren verriegelt werden.Method according to one of the preceding claims,
characterized,
that the vehicle doors are locked. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass die Außenrückblickspiegel eingeklappt werden.Method according to one of the preceding claims,
characterized,
that the exterior rearview mirrors are collapsed. Verfahren nach einem der vorangehenden Ansprüche,
dadurch gekennzeichnet,
dass bei einem erforderlichen Eingreifen des Fahrers ein Aufweckverfahren ausgelöst wird.Method according to one of the preceding claims,
characterized,
that a wake-up procedure is triggered when the driver requires intervention. Kraftfahrzeug, mit einem Fahrerassistenzsystem, das zum automatischen Fahren durch Eingreifen in die Motorsteuerung, in ein Getriebe und eine Bremsanlage eines Kraftfahrzeugs ausgebildet ist,
dadurch gekennzeichnet,
dass es zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 14 geeignet ist.Motor vehicle, with a driver assistance system, which is designed for automatic driving by intervention in the engine control, in a transmission and a brake system of a motor vehicle,
characterized,
that it is suitable for carrying out the method according to one of claims 1 to 14.
EP14002408.4A 2013-07-31 2014-07-12 Method for operating a driver assistance system and corresponding motor vehicle Active EP2840000B1 (en)

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EP2840000B1 (en) 2020-02-12
DE102013012750B4 (en) 2015-02-26
DE102013012750A1 (en) 2015-02-05

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